public class W3CDomHandler extends java.lang.Object implements DomHandler<org.w3c.dom.Element,javax.xml.transform.dom.DOMResult>
DomHandler implementation for W3C DOM (org.w3c.dom package.)| Constructor and Description |
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W3CDomHandler()
Default constructor.
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W3CDomHandler(javax.xml.parsers.DocumentBuilder builder)
Constructor that allows applications to specify which DOM implementation
to be used.
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| Modifier and Type | Method and Description |
|---|---|
javax.xml.transform.dom.DOMResult |
createUnmarshaller(ValidationEventHandler errorHandler)
When a JAXB provider needs to unmarshal a part of a document into an
infoset representation, it first calls this method to create a
Result object. |
javax.xml.parsers.DocumentBuilder |
getBuilder() |
org.w3c.dom.Element |
getElement(javax.xml.transform.dom.DOMResult r)
Once the portion is sent to the
Result. |
javax.xml.transform.Source |
marshal(org.w3c.dom.Element element,
ValidationEventHandler errorHandler)
This method is called when a JAXB provider needs to marshal an element
to XML.
|
void |
setBuilder(javax.xml.parsers.DocumentBuilder builder) |
public W3CDomHandler()
public W3CDomHandler(javax.xml.parsers.DocumentBuilder builder)
builder - must not be null. JAXB uses this DocumentBuilder to create
a new element.public javax.xml.parsers.DocumentBuilder getBuilder()
public void setBuilder(javax.xml.parsers.DocumentBuilder builder)
public javax.xml.transform.dom.DOMResult createUnmarshaller(ValidationEventHandler errorHandler)
DomHandlerResult object.
A JAXB provider will then send a portion of the XML into the given result. Such a portion always form a subtree of the whole XML document rooted at an element.
createUnmarshaller in interface DomHandler<org.w3c.dom.Element,javax.xml.transform.dom.DOMResult>errorHandler - if any error happens between the invocation of this method
and the invocation of DomHandler.getElement(Result), they
must be reported to this handler.
The caller must provide a non-null error handler.
The Result object created from this method
may hold a reference to this error handler.public org.w3c.dom.Element getElement(javax.xml.transform.dom.DOMResult r)
DomHandlerResult. This method is called
by a JAXB provider to obtain the unmarshalled element representation.
Multiple invocations of this method may return different objects.
This method can be invoked only when the whole sub-tree are fed
to the Result object.
getElement in interface DomHandler<org.w3c.dom.Element,javax.xml.transform.dom.DOMResult>r - The Result object created by DomHandler.createUnmarshaller(ValidationEventHandler).public javax.xml.transform.Source marshal(org.w3c.dom.Element element,
ValidationEventHandler errorHandler)
DomHandler
If non-null, the returned Source must contain a whole document
rooted at one element, which will then be weaved into a bigger document
that the JAXB provider is marshalling.
marshal in interface DomHandler<org.w3c.dom.Element,javax.xml.transform.dom.DOMResult>errorHandler - Receives any errors happened during the process of converting
an element into a Source.
The caller must provide a non-null error handler.